Experts have unveiled details of SIMP 0136, a floating planetary mass thought to be around 20 light-years away from the Earth ...

If you find Jupiter, you’ll likely see four small dots to the side of the gas giant: they are the Galilean moons, four of the 95 natural satellites around the Solar System’s largest planet.

Saturn was already the reigning champion in the moon department. Now, with 274, Saturn has more moons than all the other ...

An international team of astronomers reports the detection of two new brown dwarfs orbiting distant stars using NASA's ...

Out past Neptune are countless small icy and rocky bodies called Trans-Neptunian Objects (TNOs), and many of these have moons ...

The planet is roughly the size of Jupiter, the largest in our solar system, which means it could fit around 1,300 Earth's inside it, according to Nasa. But unlike Jupiter which is deathly cold ...

"Based on our projections, I don’t think Jupiter will ever catch up," said lead researcher ... come after a decades-long ...

The smashups are thought to have occurred at least 100 million years ago, but the moons they created are new to astronomers.

The number of known moons in our Solar System has been rising for centuries, but astronomers say it has probably peaked – for ...